Ground breaker



FIG. 1 is a perspective view showing the new design.

FIG. 2 is a front view showing the new design.

FIG. 3 is a rear view showing the new design.

FIG. 4 is a top view showing the new design.

FIG. 5 is a bottom view showing the new design.

FIG. 6 is a side view showing the new design; and,

FIG. 7 is an opposite side view showing the new design.

The shading lines shown in the drawings represent the approximate three-dimensional contour of the design, and are not intended to indicate surface decoration. 

CLAIM I claim the ornamental design for a ground breaker, as shown and described. 